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Gaga, better known by his stage name Lady Gaga (born March 28, 1986, Manhattan, New York City, USA is a singer, songwriter, record producer, dancer and pianist. Stefani grew up listening to bandslike Queen, like pop artists like Michael Jackson and Madonna, who would later become major influences for her.

In August 2008, the singer released his debut album, The Fame, which had the approvalof the critics of contemporary music, and a large business hosting, managed to sell over 12 million copies worldwide among 2008 and 2010, becoming the second most successful album of 2009. The firsttwo singles from the album, "Just Dance" and "Poker Face" had a global impact, reaching No. 1 in the main music markets. In addition to the good reception in countries, "Poker Face" became the mostsuccessful single of 2009 with more than 9.8 million legal copies sold, [10] while "Just Dance" managed to sell 7.7 million legal downloads being the fourth most successful song of 2009. To promotethe album, the singer embarked on her first world tour, called The Fame Ball Tour .

In late November 2009, Lady Gaga released their second album titled The Fame Monster. The album featured a rangeof comments, mostly positive, from contemporary music critics, and with a good reception business, entering the repertoire of the ten biggest selling albums of almost every country in which it was.The three singles from the album released for the promotion of the world were very successful, achieving digitally sell over 8.4 million units Gaga what makes the artist more than digital sales. Fourdays after the release of the album, the singer began his second world tour called The Monster Ball Tour.

To date, the singer sold 15 million albums and singles forty million. In May 2010, Timemagazine included the singer in the annual Time 100 list of the most influential people in the world. A month later, Forbes magazine named the singer as the fourth most powerful and influential...